const express = require('express');
const app = express();
//app.use(express.static('www'));
const cors = require('cors');
app.use(cors());


/* app.all("*", function (req, res, next) {
    //设置允许跨域的域名，*代表允许任意域名跨域
    res.header("Access-Control-Allow-Origin", "*");
    //允许的header类型
    res.header("Access-Control-Allow-Headers", "content-type");
    //跨域允许的请求方式 
    res.header("Access-Control-Allow-Methods", "DELETE,PUT,POST,GET,OPTIONS");
    if (req.method.toLowerCase() == 'options')
        res.send(200); //让options尝试请求快速结束
    else next();
}) */


app.get('/query', function (req, res) {
    console.log('----');
    console.log(req.query);
    var str = `${req.query.callback}('苏丽敏项目二接口')`;
    res.send(str);
})


app.listen('3002', function () {
    console.log('这是项目二,端口:3002');

})